A 600 meter long train crosses a signal post in 15 seconds.

A 600 meter long train crosses a signal post in 15 seconds. How long will it take to cross a 3 kilometer long bridge, at the same speed?

Quiz

Answer/Solution

1.5 min

Steps/Work

S = 600/15 = 40 mps
S = 3600/40 = 90 sec = 1.5 min
Answer: E

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A meter long train crosses a signal post in seconds. How long will it take to cross a kilometer long bridge, at the same speed?

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